True North Consultants, Inc. was retained on behalf of Chicago Southwest Development Corporation (CSDC) to provide independent third-party air quality monitoring during the demolition of structures located at the southwest corner of W. 31st Street and S. Kedzie Avenue.

Air quality monitoring was performed throughout - the gathered data was continuously collected and reviewed.  Results of the monitoring can be found here.

True North Air Quality Testing and Reporting

Dust Suppression Plan